{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73176",
    "entityType": "User",
    "nonce": "0x915e2f5e1f3687320632d3fac8d9347598276b01543a940c74ba2ddd56e5f5f0",
    "signature": "0x7c6ff01c9ba56609ecad90bca1fbf83d527a801d20a090ae68697a6b4875238b6815508a0a8d7f39a73862b40dd7d9d15d4c9b8f19700097a906051b14e702561b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}